Place of Origin: | Hebei |
---|
Location: | Cangzhou, Hebei, China (Mainland) |
---|---|
Business Type: | Manufacturer, Trading Company, Service |
Main Products: | Butt Welded Pipe Fittings 90D Elbow, 45D Elbow, 180D Elbow, Cap, Straight Tee |
Types of steel tubes | Outer diameter | Wall thickness | ||
Cold-rolled tubes | Tolerances(mm) | Tube sizes (mm) | Tolerances(mm) | |
3050 | ±0.3 | ≤30 | ±10 | |
50219 | ±0.8 | |||
Hot-rolled tubes | 219 | ±1.0 | 20 | ±10 |
Standard codes | Models of steel tubes | Tensite strength(MPa) | Yield strength(MPa) | Elongation() |
GB/T8163 | 10 | 335475 | ≥205 | ≥24 |
20 | 410550 | ≥245 | ≥20 | |
Q345 | 490665 | ≥325 | ≥21 |
Standard codes | Models of steel tubes | Chemical compositions() | |||||||
C | Si | Mn | P | S | Cr | Ni | Cu | ||
GB/T8163 | 10 | 0.070.14 | 0.170.37 | 0.350.65 | ≤0.035 | ≤0.035 | ≤0.15 | ≤0.25 | ≤0.25 |
20 | 0.170.24 | 0.170.37 | 0.350.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.25 | |
Q345 | 0.120.20 | 0.200.55 | 1.201.60 | ≤0.045 | ≤0.045 | / | / | / |